Food display oven



FIG. 1 is a front and right side perspective view of a food display oven showing my new design;

FIG. 2 is a front elevation view;

FIG. 3 is a side elevation view;

FIG. 4 is a rear elevation view; and

FIG. 5 is a top plan view. 

The ornamental design for a food display oven, as shown. 